Firebase Auth vs Lucia
Updated Oct 18, 2026
Quick Verdict
Lucia has 2.0x more GitHub stars.
GitHub Stars
Firebase Auth 5.2K
vs
Lucia 10.4K
Downloads/wk
Firebase Auth 0
vs
Lucia 210.9K
Contributors
Firebase Auth 235
vs
Lucia 233
Bundle Size
Firebase Auth N/A
vs
Lucia 4.1 KB
Detailed Comparison
Side-by-side metrics from GitHub and npm
Metric
Firebase Auth
Lucia
GitHub Stars
5.2K
10.4K
Weekly Downloads
0
210.9K
Forks
1.0K
517
Open Issues
740
24
Contributors
235
233
Bundle Size (gzip)
N/A
4.1 KB
Dependencies
28
2
Latest Version
13.0.0
3.2.2
Last Commit
Oct 17, 2026
Aug 8, 2026
License
NOASSERTION
MIT
First Published
Feb 21, 2012
Aug 24, 2020
Feature Comparison
Framework capabilities at a glance
Feature
Firebase Auth
Lucia
Oauth
Magic Links
Mfa
Session
Jwt
Social Login
Self Hosted
Frequently Asked Questions
Common questions about Firebase Auth vs Lucia
Is Firebase Auth better than Lucia?
It depends on your use case. Firebase Auth is google's authentication service for web and mobile apps, while Lucia is simple session-based authentication library for any runtime. Compare the stats and features above to decide which fits your needs.
Is Firebase Auth still maintained in 2026?
Yes, Firebase Auth was last updated on October 17, 2026 and has 235 contributors.
Can I migrate from Firebase Auth to Lucia?
Migration complexity depends on how deeply Firebase Auth is integrated into your project. Both tools serve similar purposes in the Authentication space, so migration is generally feasible with proper planning.
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